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authorChris Robinson <[email protected]>2010-08-03 01:09:02 -0700
committerChris Robinson <[email protected]>2010-08-03 01:09:02 -0700
commit8e2d7656716eab555446b687be2817f84ceae9bf (patch)
tree4654150cde135a2c7f2b33080465db02af96db4e /Alc/ALu.c
parent2af39e51f86ba06ca69064f91cff80b4575524e3 (diff)
Move active source iteration to aluMixData
Diffstat (limited to 'Alc/ALu.c')
-rw-r--r--Alc/ALu.c41
1 files changed, 16 insertions, 25 deletions
diff --git a/Alc/ALu.c b/Alc/ALu.c
index 5a7259a0..9464895b 100644
--- a/Alc/ALu.c
+++ b/Alc/ALu.c
@@ -582,7 +582,8 @@ static __inline ALfloat cos_lerp(ALfloat val1, ALfloat val2, ALint frac)
return val1 + ((val2-val1)*mult);
}
-static void MixSomeSources(ALCcontext *ALContext, float (*DryBuffer)[OUTPUTCHANNELS], ALuint SamplesToDo)
+static void MixSource(ALsource *ALSource, ALCcontext *ALContext,
+ float (*DryBuffer)[OUTPUTCHANNELS], ALuint SamplesToDo)
{
static float DummyBuffer[BUFFERSIZE];
ALfloat *WetBuffer[MAX_SENDS];
@@ -590,7 +591,6 @@ static void MixSomeSources(ALCcontext *ALContext, float (*DryBuffer)[OUTPUTCHANN
ALfloat dryGainStep[OUTPUTCHANNELS];
ALfloat wetGainStep[MAX_SENDS];
ALuint i, j, out;
- ALsource *ALSource;
ALfloat value, outsamp;
ALbufferlistitem *BufferListItem;
ALint64 DataSize64,DataPos64;
@@ -608,7 +608,6 @@ static void MixSomeSources(ALCcontext *ALContext, float (*DryBuffer)[OUTPUTCHANN
ALboolean Looping;
ALfloat Pitch;
ALenum State;
- ALsizei pos;
DuplicateStereo = ALContext->Device->DuplicateStereo;
DeviceFreq = ALContext->Device->Frequency;
@@ -616,22 +615,6 @@ static void MixSomeSources(ALCcontext *ALContext, float (*DryBuffer)[OUTPUTCHANN
rampLength = DeviceFreq * MIN_RAMP_LENGTH / 1000;
rampLength = max(rampLength, SamplesToDo);
- pos = 0;
-next_source:
- while(ALContext->ActiveSourceCount > pos)
- {
- ALsizei end;
-
- ALSource = ALContext->ActiveSources[pos];
- if(ALSource->state == AL_PLAYING)
- break;
-
- end = --(ALContext->ActiveSourceCount);
- ALContext->ActiveSources[pos] = ALContext->ActiveSources[end];
- }
- if(pos >= ALContext->ActiveSourceCount)
- return;
-
/* Find buffer format */
Frequency = 0;
Channels = 0;
@@ -1082,10 +1065,6 @@ next_source:
ALSource->WetGains[i] = WetSend[i];
ALSource->FirstStart = AL_FALSE;
-
- if(ALSource->state == AL_PLAYING)
- pos++;
- goto next_source;
}
ALvoid aluMixData(ALCdevice *device, ALvoid *buffer, ALsizei size)
@@ -1099,7 +1078,7 @@ ALvoid aluMixData(ALCdevice *device, ALvoid *buffer, ALsizei size)
ALfloat samp;
int fpuState;
ALuint i, j, c;
- ALsizei e;
+ ALsizei e, s;
#if defined(HAVE_FESETROUND)
fpuState = fegetround();
@@ -1126,7 +1105,19 @@ ALvoid aluMixData(ALCdevice *device, ALvoid *buffer, ALsizei size)
ALContext = device->Contexts[c];
SuspendContext(ALContext);
- MixSomeSources(ALContext, DryBuffer, SamplesToDo);
+ s = 0;
+ while(s < ALContext->ActiveSourceCount)
+ {
+ ALsource *Source = ALContext->ActiveSources[s];
+ if(Source->state != AL_PLAYING)
+ {
+ ALsizei end = --(ALContext->ActiveSourceCount);
+ ALContext->ActiveSources[s] = ALContext->ActiveSources[end];
+ continue;
+ }
+ MixSource(Source, ALContext, DryBuffer, SamplesToDo);
+ s++;
+ }
/* effect slot processing */
for(e = 0;e < ALContext->EffectSlotMap.size;e++)